KR850005619A - Coated optical fiber, manufacturing method and apparatus therefor - Google Patents

Coated optical fiber, manufacturing method and apparatus therefor Download PDF

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KR850005619A
KR850005619A KR1019850000370A KR850000370A KR850005619A KR 850005619 A KR850005619 A KR 850005619A KR 1019850000370 A KR1019850000370 A KR 1019850000370A KR 850000370 A KR850000370 A KR 850000370A KR 850005619 A KR850005619 A KR 850005619A
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optical fiber
coated optical
layer
thermoplastic resin
styrene
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KR1019850000370A
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KR900002265B1 (en
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마고도 와가쓰마 (외 4)
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원본미기재
닛뽄 덴신 덴와 고샤
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Priority claimed from JP59010323A external-priority patent/JPS60154220A/en
Priority claimed from JP59107502A external-priority patent/JPS60251153A/en
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/12—General methods of coating; Devices therefor
    • C03C25/18—Extrusion
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres
    • C03C25/1065—Multiple coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

내용 없음No content

Description

피복 광섬유, 그 제조방법 및 제조장치Coated optical fiber, manufacturing method and apparatus therefor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제7도 본 발명에서 피복 광섬유 제조을 위한 장치에서 사용되는 크로스헤드(crosshead)를 보기 쉽게 구체적으로 나타낸 단면도.7 is a cross-sectional view showing specifically the crosshead used in the apparatus for manufacturing the coated optical fiber in the present invention.

제10도는 크로스헤드의 분해 사시도.10 is an exploded perspective view of the crosshead.

제12도는 본 발명의 제2 실시예의 피복광섬유를 제조하는 제조장치의 개략 구성도.12 is a schematic configuration diagram of a manufacturing apparatus for manufacturing the coated optical fiber of the second embodiment of the present invention.

Claims (23)

광섬유와, 광섬유의 주위에 배치된 영율이 0.1GPa이하의 압출피복이 가능한 열가소성 고무 합성물에 의한 1차층과, 1차층 주위에 배치된 선팽창계수가 1×10-5°C-1이하이고 영율이 5GPa이상의 압출 피복이 가능한 열가소성 수지 합성물에 의한 2차층으로 구성된 피복 광섬유.The primary layer is made of an optical fiber, a thermoplastic rubber composite having an Young's modulus of 0.1 GPa or less disposed around the optical fiber, and a coefficient of linear expansion disposed around the primary layer of 1 × 10 -5 ° C -1 or less A coated optical fiber composed of a secondary layer made of a thermoplastic resin composite capable of extrusion coating of 5 GPa or more. 제1항에 있어서, 1차층의 열가소성 고무 합성물로서 스틸렌계공중합체 또는 올레핀계 공중합체를 포함한 피복 광섬유.The coated optical fiber according to claim 1, comprising a styrene copolymer or an olefin copolymer as the thermoplastic rubber compound of the primary layer. 제1항에 있어서, 1차층의 열가소성 고무합성물로서 스틸렌함량 20-40중량 %의 스틸렌/부타디엔블록 공중합체, 나프텐계가공 오일 및 열안정제를 주성분으로 포함하고, 스틸렌/부타디엔블록 공중합체를 100중량 단위로 할때 전기한 나프텐계 가공오일을 5-150중량 단위, 전기 열완정제를 0.5-5중량 단위를 포함한 피복 광섬유.The thermoplastic rubber composition of claim 1, wherein the styrene / butadiene block copolymer, a styrene / butadiene block copolymer having a styrene content of 20 to 40% by weight, a naphthenic processing oil and a heat stabilizer are included as a main component, and the styrene / butadiene block copolymer is 100 wt%. Coated optical fiber containing 5-150 weight unit of electric naphthenic processing oil and 0.5-5 weight unit of electric heat stabilizer. 제1항에 있어서, 2차층의 열가소성 수지 합성물로서 용해상태에서 액정성을 나타내는 수지를 주성분으로 포함하는 피복 광섬유.The coated optical fiber of claim 1, wherein the coated optical fiber contains, as a main component, a resin having liquid crystallinity in a dissolved state as a thermoplastic resin composite of a secondary layer. 제1항에 있어서, 상기 2차층 열가소성 수지 합성물로서, p-히드록시벤조익산을 40-70몰 %포함한 폴리에틸렌 테레프탈레트-P-히드록시벤조익산 공중합체 또는 공중합체와 다른 중합체와의 혼합물을 포함하고 전단속도 102sec-1이상에서 섬유의 길이 방향으로 분자 배향성을 나타내는 피복 광섬유.The method of claim 1, wherein the secondary layer thermoplastic resin composite, comprising a polyethylene terephthalate-P-hydroxybenzoic acid copolymer or a copolymer of 40-70 mol% of p-hydroxybenzoic acid or a copolymer with another polymer The coated optical fiber having molecular orientation in the longitudinal direction of the fiber at a shear rate of 10 2 sec −1 or more. 고광파안내구조를 갖는 유리섬유, 유리섬유 주위에 배치된 열가소성 고무합성물의 1차층, 전기한 1차층 주위에 배치되고 용해 상태에서 액정성을 나타내는 열가소성 수지 합성물의 2차층으로 구성된 피복 광섬유.A coated optical fiber composed of a glass fiber having a high light guide structure, a primary layer of a thermoplastic rubber compound disposed around the glass fiber, and a secondary layer of a thermoplastic resin compound disposed around the primary layer described above and exhibiting liquid crystallinity in a dissolved state. 제6항에 있어서, 상기 1차층 열가소성 고무합성물로서 스틸렌 공중합체 또는 에틸렌-α-올레핀 공중합체를 포함하는 피복 광섬유.The coated optical fiber of claim 6, wherein the first layer thermoplastic rubber compound comprises a styrene copolymer or an ethylene-α-olefin copolymer. 제6항에 있어서, 상기 1차층 열가소성 고무 합성물로서, A:스틸렌/부타디엔 블록 공중합체(20-40중량% 스틸렌 농도, B:나프렌계 가공오일, C:열안정제를 주요성분으로 하고 각 성분의 농도가2중량%인 피복 광섬유.According to claim 6, As the primary layer thermoplastic rubber compound, A: styrene / butadiene block copolymer (20-40% by weight styrene concentration, B: naprene processing oil, C: heat stabilizer as a main component, each component Concentration of Coated optical fiber which is 2% by weight. 제6항에 있어서, 상기한 2차층 열가소성 수지 합성물을 전방향 족 폴리에스터, 전방향족-지방산 폴리에스터, 전 방향족 폴리에스터 아미드, 방향족-지방족 폴리에스터, 아미드, 방향족 폴리아조메틴, 방향족 폴리에스터-카본너이트, 이들의 혼합물, 또는 상기한 고분자와 키타 고분자의 혼합물 중에서 선택하여된 피복 광섬유.The method of claim 6, wherein the secondary layer thermoplastic resin composition is a wholly aromatic polyester, wholly aromatic-fatty acid polyester, wholly aromatic polyester amide, aromatic-aliphatic polyester, amide, aromatic polyazomethine, aromatic polyester- A coated optical fiber selected from carbon nuts, mixtures thereof, or mixtures of the above polymers and kita polymers. 제6항에 있어서, 상기한 2차층 열가소성 수지 합성물로서, p-히드록시벤조익산을 40-70몰% 포함한 폴리에틸렌 테레프탈레트-P-히드록시벤조익산 공중합체 또는 공중합체와 다른 중합체와의 혼합물을 포함하고 전단속도 102sec-1이상에서 섬유의 길이 방향으로 분자 배향성을 나타내는 피복 광섬유.7. The polyethylene terephthalate-P-hydroxybenzoic acid copolymer or copolymer of claim 6, wherein the secondary layer thermoplastic resin composition comprises 40-70 mol% of p-hydroxybenzoic acid. And a sheathed optical fiber having molecular orientation in the longitudinal direction of the fiber at a shear rate of 10 2 sec −1 or more. 광섬유와 주위에 열가소성 고무 합성물에 의한 1차층 및 분자 배향성 열가소성 수지에 의한 2차층을 피복하는 광섬유의 제조방법에 있어서, 광섬유의 전물질을 가열 연화시켜 방적한 직후의 광섬유에 상기한 1차층 및 2차층을 동시에 피복하는 것을 특징으로 하는 피복 광섬유의 제조방법.A method for manufacturing an optical fiber which coats an optical fiber and a primary layer made of a thermoplastic rubber compound and a secondary layer made of a molecularly oriented thermoplastic resin in the surroundings, wherein the primary layers and the second layer are applied to the optical fiber immediately after the entire material of the optical fiber is heated and softened and spun. A method for manufacturing a coated optical fiber, wherein the shielding layer is coated simultaneously. 광섬유의 전물질을 가열 연화시켜 방적한 직후의 광섬유에 열가소성 고무 합성물에 의한 1차층 및 분자 배양성 열가소성 수지에 의한 2차층을 피복하는 광섬유 제조방법에 있어서, 상기한 1차층 및 2차층을 동시에 피복하고 동시 피복한 상기 1차층 및 2차층 중 적어도 2차층을 분자배양성 열가소성 수지 합성물의 결정화온도 이하에서 강제로 냉각시키는 피복 광섬유의 제조방법.In the optical fiber manufacturing method which coat | covers the primary layer by a thermoplastic rubber compound, and the secondary layer by a molecular-cultivation thermoplastic resin to the optical fiber immediately after heat-softening all the materials of an optical fiber, the said primary layer and a secondary layer are coat | covered simultaneously. And simultaneously cooling at least the secondary layer of the primary layer and the secondary layer which are simultaneously coated at a temperature below the crystallization temperature of the molecular culture thermoplastic resin composite. 제12항에 있어서, 상온에서 열량 0.1kcal/kg℃이상 및 열전도율 0.01kcal/mhr℃이상의 액체 또는 기체 또는 이들 혼합물 중의 하나를 냉각체로 사용하여 강제로 냉각시키는 피복 광섬유 제조방법.The method of manufacturing a coated optical fiber according to claim 12, wherein the coated optical fiber is forcibly cooled by using a liquid or a gas having a heat content of 0.1 kcal / kg ° C or higher and a thermal conductivity of 0.01 kcal / mhr ° C or higher or a mixture thereof as a coolant. 제12항에 있어서, 상기 분자 배향성 열가소성 수지 합성물이 용해 상태에서 액정성을 나타내는 써머트로픽 액정 고분자 물질인 피복 광섬유 제조방법.The method of claim 12, wherein the molecular orientation thermoplastic resin composite is a thermotropic liquid crystal polymer material exhibiting liquid crystallinity in a dissolved state. 제12항에 있어서, 분자 배향성 열가소성 수지를 p-히드록시벤조익산을 40-70몰 % 포함하는 폴리에틸렌, 테레프탈레트-p-히드록시벤조익산 공중합체나 또는 이들 공중합체와 다른 중합체의 혼합물 중에서 고르고 상기 수지 합성물의 전단속도 102sec-2이상에서 섬유의 길이 방향의 분자 배향성을 나타내는 피복 광섬유의 제조방법.The method of claim 12, wherein the molecular orientation thermoplastic resin is selected from polyethylene, terephthalet-p-hydroxybenzoic acid copolymers containing 40-70 mol% of p-hydroxybenzoic acid, or a mixture of these copolymers and other polymers. A method of manufacturing a coated optical fiber showing molecular orientation in the longitudinal direction of the fiber at a shear rate of 10 2 sec −2 or more of the resin composite. 제12항에 있어서, 열가소성 고무 합성물이 스틸렌계 공중합체 또는 에틸렌-α-올레핀 공중합체를 포함하는 피복 광섬유의 제조방법.13. The method of manufacturing a coated optical fiber according to claim 12, wherein the thermoplastic rubber compound comprises a styrene-based copolymer or an ethylene-α-olefin copolymer. 제12항에 있어서, 열가소성 고무합성물이 스틸렌 함량 20-40중량 %의 수틸렌/부타디엔 블록 공중합체, 나프렌계 가공오일 및 열안정제를 주요성분으로 하고 상기 스틸렌/부타디엔 블록 공중합체 100중량 단위에 대하여 나프렌계 가공오일을 5-150중량 단위로 포함하는 피복 광섬유의 제조방법.13. The thermoplastic rubber composition according to claim 12, wherein the thermoplastic rubber compound is composed of styrene / butadiene block copolymer having a styrene content of 20-40% by weight, naphrene-based processing oil and a heat stabilizer as a main component, and 100 parts by weight of the styrene / butadiene block copolymer. The manufacturing method of the coated optical fiber containing a naprene process oil in 5-150 weight unit. 제14항에 있어서, 1차층 및 2차층을 성형기에 의해 동시에 피복하고 이렇게 피복한 광섬유를 V(m/초)의 속도로 주행시켜 상기 성형기 출구로부터 X/V1을 만족시키는 거리 X(m)에 이르기 전에 적어도 상기 2차층을 액분형 열가소성 수지 합성물의 액정 전기온도 이하로 냉각시키는 피복 광섬유의 제조방법.15. The method according to claim 14, wherein the primary layer and the secondary layer are simultaneously covered by a molding machine and the thus coated optical fiber is run at a speed of V (m / sec) to allow X / V from the exit of the molding machine. A method for producing a coated optical fiber, wherein the secondary layer is cooled to at least the liquid crystal electric temperature of the liquid-part thermoplastic resin composite before reaching a distance X (m) satisfying 1. 광섬유 전물질을 가열 연화시켜 방적한 직후의 광섬유에 열가소성 고무합성물을 1차층 및 분자 배향성 열가소성 수지 합성물을 2차층에 피복하는 피복 광섬유 제조장치로서 상기 열가소성 고무 합성물 및 분자 배향성 열가소성 수지 합성물을 압출하는 압출기 및 1차 및 2차층을 형성하도록 압출된 열가소성 고무 합성물과 분자 배향성 열가소성 수지 합성물로 상기 광섬유 주위에 동시에 피복하는데 사용하는 크로스 해드로 구성된 피복 광섬유의 제조방법.An extruder for exposing the thermoplastic rubber compound and the molecular oriented thermoplastic resin composition as a coated optical fiber manufacturing device which coats the thermoplastic rubber compound on the primary layer and the molecular oriented thermoplastic resin compound on the secondary layer in the optical fiber immediately after the softening of the whole optical fiber by heating and spinning. And a crosshead used for simultaneously covering the optical fiber around the optical fiber with the thermoplastic rubber compound and the molecularly oriented thermoplastic resin compound extruded to form the primary and secondary layers. 제19항에 있어서, 상기 크로스해드는 적어도 니플과 다이즈로 구성되고 상기 니플의 선단부는 내경 0.5mm이하의 내경을 갖는 직선형관이며, 선단부의 끝부분은 상기 다이즈의 노즐에 놓여있고, 상기 1차 및 2차층의 피복 재료를 다이즈와 다플 사아의 틈새로 앞출시켜서 노즐과 다이즈 사이에서 상기 피복 물질을 광섬유에 피복하는 피복 광섬유의 제조장치.20. The nozzle of claim 19, wherein the crosshead is formed of at least a nipple and a die, and the tip of the nipple is a straight tube having an inner diameter of 0.5 mm or less, and the tip of the tip is placed in the nozzle of the die. An apparatus for producing a coated optical fiber, wherein the coating material of the primary and secondary layers is advanced to a gap between the die and the daffle yarn to coat the coating material on the optical fiber between the nozzle and the die. 제19항에 있어서, 피복 광섬유를 냉각시키기 위하여 상기 크로스해드의 출구쪽에 배치한 냉각장치와 이 냉각장치안에 들어있는 냉각제가 광섬유와 접촉하여 광섬유를 냉각시키는 방법의 피복 광섬유 제조장치.20. The coated optical fiber manufacturing apparatus according to claim 19, wherein the cooling device disposed at the outlet of the crosshead and the coolant contained in the cooling device are in contact with the optical fiber to cool the optical fiber. 제21항에 있어서, 상기 1차 냉각장치 안으로 냉각제를 들어 보내는 2차 냉각장치와 1차 냉각장치와 2차 냉각장치 사이에서 냉각제를 순환시키는 장치로 구성된 피복 광섬유 제조장치.22. The coated optical fiber manufacturing apparatus according to claim 21, comprising a secondary cooler for introducing coolant into the primary cooler and a device for circulating the coolant between the primary cooler and the secondary cooler. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850000370A 1984-01-25 1985-01-22 Coated optical fiber fabrication process and apparatus thereof KR900002265B1 (en)

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JP59010323A JPS60154220A (en) 1984-01-25 1984-01-25 Coated optical fiber and its production
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JP59107502A JPS60251153A (en) 1984-05-29 1984-05-29 Process and device for preparing clad optical fiber

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